﻿using System;
using System.Globalization;
using System.Windows.Data;
using Repository;

namespace Dispatcher.Converters
{
    /// <summary>
    /// Birthday To Age Converter
    /// </summary>
    internal class PersonShortNameConverter : IValueConverter
    {
        /// <summary>
        /// Converts a value.
        /// </summary>
        /// <param name="value">The value produced by the binding source.</param>
        /// <param name="targetType">The type of the binding target property.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var person = value as Person;
            if (person != null)
            {
                var shortLastName = "()";
                if (person.LastName.Length > 0)
                {
                    shortLastName = person.LastName[0].ToString(CultureInfo.InvariantCulture);
                }

                var shortPatronymic = "()";
                if (person.LastName.Length > 0)
                {
                    shortPatronymic = person.Patronymic[0].ToString(CultureInfo.InvariantCulture);
                }

                return string.Format("{0} {1}. {2}.", person.FirstName, shortLastName, shortPatronymic);
            }

            return null;
        }

        /// <summary>
        /// Converts a value.
        /// </summary>
        /// <param name="value">The value that is produced by the binding target.</param>
        /// <param name="targetType">The type to convert to.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}
